# STC SA524SW

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Mitchell Industries Inc, United States
- Description: Installation of Mitchell Pitch trim System Modal AK 164
- Applied: May 25, 1965
- Status date: June 2, 1965
- Product: Aircraft, Small Airplane
- Certification basis: Part 21
- Data sheets: [TCDS 1A15](https://openairdocs.org/tcds/1A15), [TCDS A1EA](https://openairdocs.org/tcds/A1EA)
- Certificate PDF: https://openairdocs.org/files/sha256/31/a6/31a6415cee27b96de2c982f2dea6391fcf51c4365ca6d6bb429f7e188d2b1499
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/A867863C81B6273886257E75004E9385.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA524SW

## ADs that name it (0)

None.

## Approved models (4)

- Piper Aircraft Inc. PA-24 ([TCDS 1A15](https://openairdocs.org/tcds/1A15))
- Piper Aircraft Inc. PA-24-250 ([TCDS 1A15](https://openairdocs.org/tcds/1A15))
- Piper Aircraft Inc. PA-24-400 ([TCDS 1A15](https://openairdocs.org/tcds/1A15))
- Piper Aircraft Inc. PA-30 ([TCDS A1EA](https://openairdocs.org/tcds/A1EA))

## What the certificate says

Read from the PDF's text layer, without the form's printed wording; the layout is lost and the order can differ. The PDF is the record.

**FEDERAL AVIATION AGENCY**

**SUPPLEMENTAL TYPE CERTIFICATE FORM APPROVED, BUDGET BUREAU NO. 04-R015**

**INSTRUCTIONS - SUBMIT IN TRI PLICATE TO LOCAL FAA FLIGHT STANDARDS INSPECTOR.**

**COPY WILL BE RETURNED TO APPLICANT UPON**

**ISSUANCE**

1. NAME AND ADDRESS OF APPLICANT Mitchell Industries, Inc.

P. O. Box 610 Municipal Airport Mineral Wells. Texas 7606?

2. SUPPLEMENTAL TYPE CERTIFICATE APPLIED FOR:

X | AIRCRAFT I I ENGINE 1 1 PROPELLER -24. I*A-li'-i50.

NEW MODEL DESIGNATION (If detlred) Nona

DESCRIPTION OF CHANGE Installation of Mitchell Pitch trim System Modal AK 164 in accordance with Mitehell Industries, lac. Bulletin No. 279 datad 5-25-65 and subsequent P. A. A. approved bulletins aad/or supplements.

4a. WILL DATA BE AVAILABLE FOR SALE OR RELEASE TO OTHER PERSONS?

b. WILL PARTS BE MANUFACTURED FOR SALE (Kef. CAK 1.55)1 YES YES CD NO CD NO

**5. SIGNATURE AND TITLE OF APPLICANT 5-25-65**

**DATE OF APPLICATION**

SIGNATURE Vice President TITLE

6. To fee Completed by FM

NATURE AND LOCATION OF DATA Data listed in item 3 above on file at SW-210.

Reference Project: Hone Applicable regulations: Sane as original certification.

**ORIGINAL TYPE CERTIFICATE NO.**

1A15 & A1EA «"PPLEMENTAL TYPE CERTIFICATE NO.

SA524SW

**DATE OF APPROVAL 6/2/65 FAA APPROVAL.**

SIGNATURE /^a, H. SlaughterChief, EnginaVring and Hanufaeturlng BranchTl TLE * U.S. GOVERNMENT PRINTING OFFICE : 1959 O—509657 FORM FAA-2417 (5-59)

## Every issue (1)

- June 2, 1965: Issued, Current. [certificate](https://openairdocs.org/files/sha256/31/a6/31a6415cee27b96de2c982f2dea6391fcf51c4365ca6d6bb429f7e188d2b1499)

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From OpenAirDocs.org, an independent open copy of FAA and NTSB data. Only the Federal Register edition on govinfo.gov is the official legal text of an AD.